Chaney, Lucian W. (Lucian West), 1857-1935 , Hanna, Hugh S. (Hugh Sisson) and United States. Bureau of Labor Statistics. Accidents and Accident Prevention in Machine Building. Revision of Bulletin 216 : Bulletin of the United States Bureau of Labor Statistics, No. 256 , Washington, D.C: Government Printing Office, November 1919, https://fraser.stlouisfed.org/title/3882, accessed on September 5, 2024.